package org.andromda.metafacades.emf.uml2;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import org.andromda.metafacades.uml.AssociationEndFacade;
import org.andromda.metafacades.uml.MetafacadeUtils;
import org.andromda.metafacades.uml.UMLMetafacadeProperties;
import org.apache.commons.collections.CollectionUtils;
import org.apache.commons.lang.StringUtils;
import org.eclipse.uml2.AssociationClass;
/**
* MetafacadeLogic implementation for
* org.andromda.metafacades.uml.AssociationFacade.
*
* @see org.andromda.metafacades.uml.AssociationFacade
*/
public class AssociationFacadeLogicImpl
extends AssociationFacadeLogic
{
public AssociationFacadeLogicImpl(
final org.eclipse.uml2.Association metaObject,
final String context)
{
super(metaObject, context);
}
/**
* @see org.andromda.metafacades.uml.AssociationFacade#getRelationName()
*/
protected java.lang.String handleGetRelationName()
{
final Collection ends = this.getAssociationEnds();
final Iterator endIt = ends.iterator();
final AssociationEndFacade firstEnd = (AssociationEndFacade)endIt.next();
final AssociationEndFacade secondEnd = (AssociationEndFacade)endIt.next();
return MetafacadeUtils.toRelationName(
firstEnd.getName(),
secondEnd.getName(),
String.valueOf(this.getConfiguredProperty(UMLMetafacadeProperties.RELATION_NAME_SEPARATOR)));
}
/**
* Overriden: A name may not have a name, which
* is problematic for getSqlName (for an EntityAssociation).
* We use the relation name as default
* @see org.andromda.metafacades.emf.uml2.ModelElementFacadeLogic#handleGetName()
*/
public String handleGetName() {
String name = super.handleGetName();
// if the name isn't defined, use the relation name
if (StringUtils.isEmpty(name)) {
name = this.getRelationName();
}
return name;
}
/**
* @see org.andromda.metafacades.uml.AssociationFacade#isMany2Many()
*/
protected boolean handleIsMany2Many()
{
return ((AssociationEndFacade)this.getAssociationEnds().iterator().next()).isMany2Many();
}
/**
* @see org.andromda.metafacades.uml.AssociationFacade#getAssociationEnds()
*/
protected java.util.List handleGetAssociationEnds()
{
return (List)CollectionUtils.collect(
this.metaObject.getMemberEnds(),
UmlUtilities.ELEMENT_TRANSFORMER);
}
/**
* @see org.andromda.metafacades.uml.AssociationFacade#isAssociationClass()
*/
protected boolean handleIsAssociationClass()
{
// TODO: Test this if it works.
return AssociationClass.class.isAssignableFrom(this.metaObject.getClass());
}
/**
* @see org.andromda.metafacades.uml.AssociationFacade#getAssociationEndA()
*/
protected Object handleGetAssociationEndA()
{
return this.getAssociationEnds().get(0);
}
/**
* @see org.andromda.metafacades.uml.AssociationFacade#getAssociationEndB()
*/
protected Object handleGetAssociationEndB()
{
return this.getAssociationEnds().get(1);
}
/**
* @see org.andromda.metafacades.uml.AssociationFacade#isAbstract()
*/
protected boolean handleIsAbstract()
{
return this.metaObject.isAbstract();
}
/**
* @see org.andromda.metafacades.uml.AssociationFacade#isLeaf
*/
protected boolean handleIsLeaf()
{
return this.metaObject.isLeaf();
}
}